Simon Furman: Right now, there are three distinct continuities: the movie-verse, the IDW/G1-verse and Beast Wars. They're all very different in terms of their cast and structure, so it's not too much of a problem to switch tracks. The movie stuff feels very cinematic in its scope, the G1 stuff is like this epic jigsaw puzzle I'm slowly assembling, revealing more of the big picture with each arc or Spotlight, and Beast Wars is very much the continuation/expansion of all the amazing groundwork laid by Bob Forward and Larry DiTillio (co-script editors and key episode writers) in the BW TV series, where the very nature of the characters, settings and stories makes it a very different, er, beast.

Check out the full interview, located about an eighth of the way down this huge page.